Home / 319,241,967.84-478,633,130.10-196,165,999.70

Finding the Fourth Proportional to 319,241,967.84, 478,633,130.10 and 196,165,999.70

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Solution

The fourth proportional to 319,241,967.84, 478,633,130.10 and 196,165,999.70 is: 294,107,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,241,967.84 : 478,633,130.10 = 196,165,999.70 : x
  2. Step 2: Convert to fraction form
    319,241,967.84/478,633,130.10 = 196,165,999.70/x
  3. Step 3: Cross multiply
    319,241,967.84x = 478,633,130.10 × 196,165,999.70
  4. Step 4: Simplify right side
    319,241,967.84x = 93,891,546,455,008,368
  5. Step 5: Solve for x
    x = 93,891,546,455,008,368/319,241,967.84
  6. Step 6: Final answer
    x = 294,107,780.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.